PT-2018-1805 · Microsoft · Sharepoint Server+2

Jinquan + 1 · Published 2018-11-13 · Updated 2020-08-24 · CVE-2018-8539

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Word (affected versions not specified) Microsoft SharePoint Server (affected versions not specified) Microsoft Office (affected versions not specified)

Description A remote code execution issue exists due to improper handling of objects in memory. This could allow a remote attacker to execute arbitrary code with the privileges of the current user by using a specially crafted file. To exploit this issue, a user must open a specially crafted file with an affected version of the software.

Recommendations For Microsoft Word, consider avoiding the use of specially crafted files until a fix is available. For Microsoft SharePoint Server, restrict access to files that could potentially exploit this issue until a patch is applied. For Microsoft Office, as a temporary workaround, consider disabling the ability to open specially crafted files until a fix is released. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2018-01405

CVE-2018-8539

Affected Products

Office

Sharepoint Server

Office Word

References · 8

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8539 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-8539 · Security Note
• https://osv.dev/vulnerability/CVE-2018-8539 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-01405 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8539 · Security Note
• http://securityfocus.com/bid/105835 · Note
• https://securitylab.ru/vulnerability/496475.php · Note
• http://securitytracker.com/id/1042112 · Note